Originally posted by Star Turbo Talon
You have a semi rare block. See the 1/8npt plug next to the knock sensor? That plugs to oil galley, you can remove that plug to install an oil feed for a turbo or gauge ect. Only block i saw that in was a 95 i parted out years ago.

interesting. I have / had that on both my original '95 block, and on my '97 2.4L block - but it went into the water jacket, not the oil galley.

I always assumed it was for a the "block warmer" accessory that was an option on the 2GNT (per my owner's manual).